1721725120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173561}}^1$

素因数の和:173609

約数の個数: 56

約数和(自身を含む): 4232135808

約数和(自身を除く): 2510410688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 173561, 347122, 694244, 867805, 1388488, 1735610, 2776976, 3471220, 5380391, 5553952, 6942440, 10760782, 11107904, 13884880, 21521564, 26901955, 27769760, 43043128, 53803910, 55539520, 86086256, 107607820, 172172512, 215215640, 344345024, 430431280, 860862560, 1721725120]

約数ペア:

[(1, 1721725120), (2, 860862560), (4, 430431280), (5, 344345024), (8, 215215640), (10, 172172512), (16, 107607820), (20, 86086256), (31, 55539520), (32, 53803910), (40, 43043128), (62, 27769760), (64, 26901955), (80, 21521564), (124, 13884880), (155, 11107904), (160, 10760782), (248, 6942440), (310, 5553952), (320, 5380391), (496, 3471220), (620, 2776976), (992, 1735610), (1240, 1388488), (1984, 867805), (2480, 694244), (4960, 347122), (9920, 173561)]